Functional requirements of E-book Store with non-functional

Functional Requirements

1. User Registration and Authentication:
   • Allow users to create an account with email, social media, or third-party services.
   • Provide secure login and authentication mechanisms.
   • Enable password recovery and account management features.
2. User Profile Management:
   • Allow users to manage their profile information, including personal details, payment methods, and preferences.
   • Enable users to view their purchase history and manage their e-book library.
3. Search and Browse:
   • Provide a search function that allows users to find e-books by title, author, genre, ISBN, or keywords.
   • Offer advanced search filters (e.g., price range, publication date, rating).
   • Organize e-books into categories, genres, and collections for easy browsing.
4. Product Catalog Management:
   • Allow administrators to add, edit, and manage e-book listings, including title, author, description, price, and cover image.
   • Support bulk uploads and updates of e-books.
5. Shopping Cart and Checkout:
   • Allow users to add e-books to a shopping cart and proceed to checkout.
   • Provide a seamless checkout process with multiple payment options (e.g., credit card, PayPal, gift cards).
   • Enable users to apply discounts, promo codes, or loyalty points during checkout.
6. Payment Processing:
   • Integrate with secure payment gateways to process transactions.
   • Handle various payment methods, including credit/debit cards, digital wallets, and in-app purchases.
   • Provide users with receipts and order confirmation emails.
7. Digital Rights Management (DRM):
   • Implement DRM to protect e-books from unauthorized sharing or copying.
   • Ensure that e-books can be accessed only by authorized users.
8. Download and Access:
   • Allow users to download purchased e-books in various formats (e.g., PDF, EPUB, MOBI).
   • Provide options for online reading through a web-based reader or mobile app.
   • Enable users to re-download e-books from their library if needed.
9. Wishlist and Recommendations:
   • Allow users to add e-books to a wishlist for future purchase.
   • Provide personalized recommendations based on user behavior, purchase history, and preferences.
10. Ratings and Reviews:
    • Enable users to rate and review e-books.
    • Display average ratings and user reviews on e-book product pages.
11. Customer Support:
    • Provide users with access to customer support for issues related to purchases, downloads, or account management.
    • Offer FAQs, help articles, and a contact form for support inquiries.
12. Order Management:
    • Allow administrators to manage and track orders, including processing refunds and handling disputes.
    • Provide order status updates and notifications to users.
13. Content Delivery:
    • Ensure fast and reliable delivery of e-books to users after purchase.
    • Support automatic updates or corrections to e-books if needed.
14. Promotions and Discounts:
    • Enable administrators to create and manage promotions, discounts, and special offers.
    • Support the use of promo codes and loyalty programs.
15. Analytics and Reporting:
    • Provide administrators with detailed reports on sales, user behavior, and website performance.
    • Track metrics such as best-selling e-books, most active users, and revenue trends.

Non-Functional Requirements

1. Scalability:
   • The system should be able to handle a growing number of users, e-books, and transactions without performance degradation.
   • Support for increasing data storage and processing power as the user base and catalog grow.
2. Security:
   • Ensure secure transmission of data using encryption (e.g., SSL/TLS).
   • Protect user information, especially payment data, with strong security measures.
   • Implement regular security audits and updates to prevent breaches.
3. Performance:
   • The platform should load pages quickly and provide a smooth, responsive user experience.
   • Handle multiple concurrent users, especially during high-traffic periods, without slowdowns.
4. Reliability and Availability:
   • The system should have high availability, ensuring minimal downtime.
   • Implement redundancy and failover mechanisms to maintain service continuity.
5. Usability:
   • The user interface should be intuitive and easy to navigate, catering to users of varying technical proficiency.
   • Ensure that users can easily search for, purchase, and access e-books with minimal effort.
6. Interoperability:
   • The system should be compatible with various devices and platforms (e.g., web browsers, mobile apps).
   • Support integration with third-party services, such as payment gateways and social media platforms.
7. Maintainability:
   • The system should be easy to maintain, with clear documentation and modular design.
   • Support for regular updates and upgrades with minimal disruption to users.
8. Compliance:
   • Ensure that the platform complies with relevant legal and regulatory requirements, such as data protection laws (e.g., GDPR).
   • Implement features to support content licensing and copyright management.
9. Data Integrity and Consistency:
   • Ensure that all data, including user information, transactions, and e-book content, is accurate and consistent across the platform.
   • Implement mechanisms to prevent data corruption or loss.
10. Localization and Internationalization:
    • Support multiple languages, currencies, and regional formats to cater to a global audience.
    • Allow for easy adaptation of the platform to different markets and regions.